EP1272091B1 - Procede pour effectuer un nettoyage au moyen de jets de nettoyage - Google Patents

Procede pour effectuer un nettoyage au moyen de jets de nettoyage Download PDF

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Publication number
EP1272091B1
EP1272091B1 EP01938057A EP01938057A EP1272091B1 EP 1272091 B1 EP1272091 B1 EP 1272091B1 EP 01938057 A EP01938057 A EP 01938057A EP 01938057 A EP01938057 A EP 01938057A EP 1272091 B1 EP1272091 B1 EP 1272091B1
Authority
EP
European Patent Office
Prior art keywords
cleaning
liquid
gas
valve
pressure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP01938057A
Other languages
German (de)
English (en)
Other versions
EP1272091A2 (fr
Inventor
Yavuz Dedegil
Manfred Weber
Rüdiger EIERMANN
Hans-Peter Nannt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP1272091A2 publication Critical patent/EP1272091A2/fr
Application granted granted Critical
Publication of EP1272091B1 publication Critical patent/EP1272091B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/0002—Washing processes, i.e. machine working principles characterised by phases or operational steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/26—Apparatus in which liquids or other fluent materials from different sources are brought together before entering the discharge device
    • B05B7/262—Apparatus in which liquids or other fluent materials from different sources are brought together before entering the discharge device a liquid and a gas being brought together before entering the discharge device
    • B05B7/267—Apparatus in which liquids or other fluent materials from different sources are brought together before entering the discharge device a liquid and a gas being brought together before entering the discharge device the liquid and the gas being both under pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2601/00—Washing methods characterised by the use of a particular treatment
    • A47L2601/03—Pressurised, gaseous medium, also used for delivering of cleaning liquid

Definitions

  • the invention relates to a method for cleaning with cleaning jets.
  • cleaning jets from a nozzle, a plurality of or a plurality of nozzles are commonly used in a device for conveying cleaning liquid to pressurize e.g. a surface to be cleaned of sent to be cleaned Good.
  • a sufficient cleaning result is in such a loading of the material to be cleaned by the amount of chemical additives that can be added to the cleaning liquid, but mainly by a sufficient duration of exposure of the material to be cleaned with the impulse of the cleaning jet and thereby taking place over the period achieved mechanical removal of dirt on the goods to be cleaned. This means in addition to the necessary for the conveyance of the cleaning liquid energy expenditure a long duration of the cleaning program.
  • Document DE-B-1 293 984 discloses a method of cleaning with cleaning jets according to the preamble of claim 1.
  • the invention is therefore based on the object to provide a method for cleaning with cleaning jets, saved in the energy and the duration of the cleaning program can be shortened.
  • the inventive method of increasing the pulse of the drops of a cleaning jet inevitably increases the intensity of the mechanical Abtrag on the surface of the material to be cleaned, ie, the effectiveness of the cleaning jet improves, whereby, as explained above, a sufficient cleaning result mainly by a sufficient Duration of loading of the material to be cleaned and thereby taking place over the period mechanical removal of dirt on the goods to be cleaned is achieved, the duration of the cleaning program shortened and thus less energy to promote the cleaning fluid is needed.
  • the method according to the invention still saves a considerable amount of cleaning liquid.
  • a method for cleaning with cleaning jets of the type mentioned is created, can be saved in the energy and the duration of the cleaning program can be shortened.
  • the gas is blown into a flowing or standing cleaning liquid.
  • the loading according to the invention can be optimized according to the desired cleaning process by selecting one of the variants shown.
  • the gas is injected continuously or intermittently.
  • the method according to the invention can also be further optimized according to the desired cleaning process by selecting one of the variants shown.
  • the gas is injected with or without additive.
  • adding agents e.g. Cleaning agents etc.
  • the method is used in household appliances and in a particularly advantageous manner in dishwashers.
  • particularly good cleaning results are achieved by increasing the effect of the cleaning jet with the method according to the invention in household appliances, in particular in dishwashers.
  • An apparatus 1 for conveying liquids by the clocking method in the embodiments shown and described comprises an arrangement 10 in which the liquid is acted upon by a pressurized gas, wherein the liquid in the assembly 10 is pressurized by the gas which is alternately changed between two pressure levels so that at a low pressure level, the liquid flows back and is conveyed by applying the higher pressure level in the desired conveying direction.
  • the gas is pressurized in the embodiments shown by means of a compressor 2.
  • a pressure vessel 4 is connected, in which the gas is introduced and stored.
  • the arrangement 10 has a fluid-connected to a liquid container 9 pressure chamber 11.
  • the gas controlled by a valve 5 is initiated.
  • This valve 5 for controlling the introduction of the gas into the pressure chamber 11 is in a connecting line 21 between the pressure vessel 4 and an inlet 20 of the gas in the pressure chamber 11 is arranged.
  • a liquid discharge 12 is fluidly connected.
  • a liquid line 13 is continued from the liquid container 9 to the liquid discharge 12 and has a branch 14 to the pressure chamber 11.
  • a valve 15 for opening and closing the connection between the liquid container 9 and the pressure chamber 11 is arranged, which is a check valve with spherical closing body in the embodiment, the liquid outlet from the liquid container 9 in the occurrence of a against the Liquid container 9 directed flow closes.
  • a valve 16 for opening and closing the liquid discharge 12 is arranged, which is a check valve with spherical closing body in the embodiment, which closes the liquid discharge 12 upon the occurrence of a directed against the liquid container 9 or against the pressure chamber 11 flow
  • the pressure chamber 11 has another with a valve 17 controlled input 18 to which a vent line 19 is connected.
  • the inlet 20 of the gas into the pressure chamber 11 in the position of use, ie from a frontal view of Figures 1 and 2, above and the inlet of the liquid line 13, ie the branch 14, is arranged below.
  • the assembly 10 has a connection 23 between the pressure chamber 11 and a suction line 7 of the compressor 2, wherein the suction line 7 of the compressor 2 in the flow direction of the Gas after the branch for the connection 23 with the valve 17 of the further 17 with a valve 17 controlled input 20 of the pressure chamber 11 has a further valve 8 for opening or closing the suction pipe 7 from the environment.
  • the liquid is pressurized by the gas with a pressure alternately changed between two pressure levels. that at a low pressure level, the liquid flows back and is conveyed by applying the higher pressure level in the desired conveying direction, wherein in the assembly 10 at the low pressure level, a negative pressure prevails, so that the liquid is sucked in and there is an overpressure when the higher pressure level is applied.
  • connection 23 As an alternative to the above-mentioned connection with a suction line 7 of the compressor 2, it is of course also possible to generate the required negative pressure with an additional compressor and connect it to the connection 23.
  • the arrangement 10 has a connection 22 between the liquid discharge 12 and the pressure vessel 4.
  • a further valve 6 for controlling the introduction of the gas is arranged in the liquid discharge 12.
  • the valves 5, 6, 8 and 16 are initially closed, the valves 15 and 17 are open.
  • the connection between the liquid container 9 and the pressure chamber 11 is arranged below the liquid level N1 of the liquid container 9, so that the liquid in the liquid container 9 to the liquid level N1 and in the pressure chamber 11 due to the below-described suction function of the negative pressure to the much higher Liquid level N1 'extends.
  • the valve 5 By opening the valve 5, the gas under an overpressure is introduced into the pressure chamber 11, whereby the liquid is displaced to a lower liquid level N2.
  • the valve 15 is closed and the valve 16 is opened, so that the liquid further penetrates into the liquid discharge 12, wherein an equal amount of liquid from the liquid discharge 12 is moved to corresponding liquid consumers.
  • the cleaning liquid is applied before exiting with a pressurized gas and thereby additionally accelerated, whereby the liquid after exiting has a higher pulse.
  • the application of the flowing cleaning liquid is selected.
  • valve 5 will now be closed and the further valve 6 will be opened to control the introduction of the gas into the liquid outlet 12 - or it may, in reverse order, first the other valve 6 to control the introduction of the gas opened in the liquid discharge 12 and then the valve 5 are closed - which in two alternative process steps, the gas is passed into the liquid discharge 12 and the inventive treatment of the cleaning liquid is carried out with a pressurized gas, whereby the cleaning liquid is additionally accelerated according to the invention and the Liquid after exiting have a higher pulse. Furthermore, a repressing of the fluid in the liquid discharge 12 is effected, so that again liquid is moved to appropriate remplisstechnikshutem.
  • FIG. 2 shows a dishwasher 25, in the exemplary embodiment shown, a domestic dishwasher in which the cycle-stopper method and the inventive method for cleaning with cleaning jets are carried out with a device 1 in the preferred embodiment shown and described in FIG.
  • the gas is air and the liquid is a cleaning liquid, which is acted upon in the dishwasher 25 to be cleaned Good, namely water, possibly mixed with cleaning or rinse aid and possibly also with ablated Food waste is dirty.
  • the liquid container 9 of the device 1 is formed in the dishwasher 25 from the lowermost portion of a washing container 26, which is commonly called pumping pot or drain pan and in which the material to be cleaned, filled, for example, in dishes crockery 27, 28, e.g. Cutlery, plates, cups, glasses, etc., collects returning cleaning fluid.
  • the material to be cleaned is mixed with the cleaning liquid by spraying means, e.g. so-called spray arms 29, 30, applied.
  • the cleaning liquid is conveyed in the arrangement shown in Fig. 2 and described by means of the device 1, as described for Fig. 1, in the connected to the supply lines to the spray arms 29, 30 liquid discharge 12 and before emerging from unspecified nozzles of the spray arms 29, 30 in the liquid discharge 12, according to the method of the invention, acted upon by a pressurized gas.
  • FIG. 3 The timing in connection with the Taktpropfenvon resin a spray pulse generated with the shown in FIGS. 1 and 2, preferred embodiments of the inventive method is shown in Fig. 3, wherein the timing and the water pressure generated from the time of Opening the valve 17 for sucking the cleaning liquid into the pressure chamber 11 shows.
  • the period for aspiration is designated Ts in FIG. 3 and is approximately one second. Now a break is taken over a period Tp of about half a second.
  • the gas could also be blown into a standing cleaning liquid by the process according to the invention.
  • the method according to the invention also with an intermittently injected gas feasible.
  • An addition of additive to the gas is possible by the method according to the invention.
  • This cleaning result is, as also shown in practice, significantly improved when, according to the inventive method, the promotion of the cleaning liquid by applying a pressurized gas before exiting and thus pulse-like manner, wherein the alternating increase and decrease of the pressure the cleaning liquid and the thus caused alternating increase and decrease of acting on the contaminants on the material to be cleaned mechanical forces in a very short period of time and thus takes place very intense.
  • the intensity of the mechanical removal on the surface of the material to be cleaned is inevitably increased, i. improves the effectiveness of the cleaning jet, whereby, as a sufficient cleaning result is achieved mainly by a sufficient duration of the loading of the material to be cleaned and thereby taking place over the period mechanical removal of dirt on the goods to be cleaned, shortening the duration of the cleaning program and thus less Energy is required to promote the cleaning fluid.
  • the inventive method still saves a considerable amount of cleaning liquid.
  • a method for cleaning with cleaning jets of the type mentioned is created, can be saved in the energy and the duration of the cleaning program can be shortened.

Landscapes

  • Cleaning By Liquid Or Steam (AREA)
  • Washing And Drying Of Tableware (AREA)
  • Cleaning Or Drying Semiconductors (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Detergent Compositions (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Claims (6)

  1. Procédé de nettoyage au moyen de jets de nettoyage, un liquide de nettoyage étant sollicité, avant de sortir, par un gaz sous pression dans une conduite de dérivation de liquide (12) moyennant l'ouverture d'une soupape (6) et le liquide de nettoyage étant ainsi accéléré, sur quoi le liquide présente une impulsion plus élevée après sa sortie, caractérisé en ce que le liquide de nettoyage est transporté par impulsions au moyen du gaz sous pression, moyennant l'ouverture d'une soupape (5) et en ce qu'il est refoulé encore moyennant l'ouverture de l'autre soupape (6).
  2. Procédé selon la revendication 1, caractérisé en ce que le gaz est insufflé dans un liquide de nettoyage s'écoulant ou étant au repos.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que le gaz est insufflé de manière permanente ou intermittente.
  4. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le gaz est insufflé avec ou sans additifs.
  5. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le procédé est appliqué dans des appareils ménagers.
  6. Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le procédé est appliqué dans des lave-vaisselle (25).
EP01938057A 2000-04-06 2001-03-27 Procede pour effectuer un nettoyage au moyen de jets de nettoyage Expired - Lifetime EP1272091B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10017240 2000-04-06
DE10017240A DE10017240A1 (de) 2000-04-06 2000-04-06 Verfahren zur Reinigung von Reinigungsstrahlen
PCT/EP2001/003484 WO2001076446A2 (fr) 2000-04-06 2001-03-27 Procede pour effectuer un nettoyage au moyen de jets de nettoyage

Publications (2)

Publication Number Publication Date
EP1272091A2 EP1272091A2 (fr) 2003-01-08
EP1272091B1 true EP1272091B1 (fr) 2006-06-21

Family

ID=7637863

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01938057A Expired - Lifetime EP1272091B1 (fr) 2000-04-06 2001-03-27 Procede pour effectuer un nettoyage au moyen de jets de nettoyage

Country Status (7)

Country Link
EP (1) EP1272091B1 (fr)
AT (1) ATE330532T1 (fr)
AU (1) AU6381801A (fr)
DE (2) DE10017240A1 (fr)
ES (1) ES2266202T3 (fr)
TR (1) TR200400338T4 (fr)
WO (1) WO2001076446A2 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1338607A (en) * 1971-06-12 1973-11-28 Kingsdown Instr Co Ltd Apparatus for dispensing a predetermined and variable volume of liquid
DE3916446A1 (de) * 1988-06-14 1990-03-15 Autobahnbaukombinat Veb Verfahren und vorrichtung zur bearbeitung von festen stoffen mittels druckwasserstrahl
JP3504023B2 (ja) * 1995-05-26 2004-03-08 株式会社ルネサステクノロジ 洗浄装置および洗浄方法
JP3315611B2 (ja) * 1996-12-02 2002-08-19 三菱電機株式会社 洗浄用２流体ジェットノズル及び洗浄装置ならびに半導体装置
DE19750265A1 (de) * 1997-11-13 1999-05-20 Miele & Cie Verfahren zum Reinigen von Geschirr in einer Geschirrspülmaschine und Vorrichtung zur Durchführung des Verfahrens

Also Published As

Publication number Publication date
EP1272091A2 (fr) 2003-01-08
TR200400338T4 (tr) 2004-03-22
ATE330532T1 (de) 2006-07-15
WO2001076446A3 (fr) 2002-04-04
AU6381801A (en) 2001-10-23
DE50110259D1 (de) 2006-08-03
WO2001076446A2 (fr) 2001-10-18
ES2266202T3 (es) 2007-03-01
DE10017240A1 (de) 2001-10-11

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